The DIALIGHT 5530312004F is a robust 3mm bi-level CBI (Circuit Board Indicator) intended for through-hole mounting in industrial applications. This indicator provides a clear visual signal with options for red or green LED illumination. It is designed to withstand demanding environments, with an operating temperature range of -40°C to +85°C and a storage temperature range of -55°C to +100°C. The integral resistor simplifies circuit design and ensures consistent performance. Ideal for vehicle lighting, rail signaling, and hazardous area lighting applications.